from tkinter import*
coords = [0, 0, 10, 0, 10, 10, 20, 10, 20, 30, 10, 30, 10, 20, 0, 20]
print('Введите маштаб.')
N = int(input())
print('Введите точку х.')
x = int(input()) 
print('Введите точку у.')
y = int(input())
if N == 0 and x >= 0 and x <= 500 and y >= 0 and y <= 500:
  pass
elif N > 0 and 0 * N + x >= 0 and 0 * N + y >= 0 and 30 * N + x <= 500 and 30 * N + y <= 500:
  pass
elif N < 0 and 20 * N + x >= 0 and 30 * N + y >= 0 and 0 * N + x <= 500 and 0 * N + y <= 500:
  pass
else:
  print('Размер фигуры превышает максимальный размер поля')
  exit()
okno = Tk()
okno.title("ИТ марафон")
okno.geometry("500x500")
canvas = Canvas(bg="white", width=500, height=500)
canvas.pack(anchor=CENTER, expand=1)
canvas.create_polygon(coords[0] * N + x, coords[1] * N + x, coords[2] * N + x,
                      coords[3] * N + x, coords[4] * N + x, coords[5] * N + x,
                      coords[6] * N + x, coords[7] * N + x, coords[8] * N + x,
                      coords[9] * N + x, coords[10] * N + x, coords[11] * N + x,
                      coords[12] * N + x, coords[13] * N + x, coords[14] * N + x,
                      coords[15] * N + x)
                                       

okno.mainloop() 

